package main

import (
	"fmt"
	"time"
)

func main() {
	t()
}
func t() {
	i := 0
	go func() {
		for {
			time.Sleep(time.Microsecond * 11)
			fmt.Print(i)
			i++
		}
	}()
	go func() {
		for {
			time.Sleep(time.Microsecond * 11)
			fmt.Print(i)
			i++
		}
	}()
	go func() {
		for {
			time.Sleep(time.Microsecond * 11)
			fmt.Print(i)
			i++
		}
	}()
	go func() {
		for {
			time.Sleep(time.Microsecond * 11)
			fmt.Print(i)
			i++
		}
	}()
	for {
		time.Sleep(time.Microsecond * 11)
		fmt.Print(i)
		i++
	}
}
